That's pretty interesting. Australia only has current (high) electricity prices because the government keeps adding legislation to prevent too high increases.
Aka, it's artificially lower than what energy companies would price. Well, given they got a monopoly, that's good.
At least on the higher latitude parts of the east coast it seems inevitable that feed-in tariffs will go to zero over time, even during some of the wettest/cloudiest years we've had there's so much excess supply.
Could do an interconnect to WA, we've talked about it for a long time, would extend out the solar over-generation period by 3-4 hours on each side of the country, but it's pricey, especially compared to local storage and power storage costs in general going down so it may be a white elephant before we even get it built.
Aka, it's artificially lower than what energy companies would price. Well, given they got a monopoly, that's good.